Psychology 3226A/B Lecture Notes - Lecture 7: Master Clock, Estrous Cycle, Ventromedial Nucleus Of The Hypothalamus

• School: Western University
• Department: Psychology
• Course: Psychology 3226A/B
• Professor: Yves Bureau

Document Summary

Parental behaviour and affiliation february 29, 2016. Investment in offspring at a cost to future reproduction. Spectrum of strategies have evolved (this is a central concept): many offspring with little investment in each, few offspring with large investment in each. Behaviour that enhances the probability of survival and reproductive success of offspring: providing food, protection, shelter. Critical for infant survival among many species. Critical for the reproductive success of the parents. Influences the course of physical and psychological development of the offspring. Some of the diversity of parental care is due to variation in developmental maturity of offspring when they are produced. The extent and nature of parental care depends on the development of the offspring. Two broad categories of offspring in vertebrates: altrical. Born at an early stage of development. Helpless and immature, require substantial parental care to survive. Ie. rats bear altrical young, which are born without the ability to move or thermoregulate: precocial.